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Vertical axis wind turbine having angled leading edge

US20090285689 - Nov 19, 2009

Double wind turbine

US20090285688 - Nov 19, 2009

Wind turbine blade and assembly

US7614852 - Nov 10, 2009

Image display apparatus and method for displaying an image

US20090243963 - Oct 01, 2009

Vertical axis wind turbines with blades for redirecting airflow

US20090196763 - Aug 06, 2009

Vertical axis wind sail turbine

US20090180884 - Jul 16, 2009

Utilization of renewable energy sources with a passively savonius rotor (pvsr)

US20090169355 - Jul 02, 2009

Wind turbine generator rotor, wind turbine generator and wind turbine generator system

US20090167028 - Jul 02, 2009

Vertical axis turbine

US20090155074 - Jun 18, 2009

Vertical axis self-breaking wind turbine

US20090060744 - Mar 05, 2009

Modular fluid-energy system

US20090021018 - Jan 22, 2009

Vertical axis omni-directional wind turbine

US20080273978 - Nov 06, 2008

Modular wind-driven electrical power generator and method of manufacture

US20080258468 - Oct 23, 2008

Vertical axis wind turbine with angled braces

US20080217925 - Sep 11, 2008

Wind-powered electricity generator

US20080106102 - May 08, 2008

Lift station and method

US7357872 - Apr 15, 2008

Fan for generating air flow

US20080063542 - Mar 13, 2008

Rotor for wind turbine

US20080050237 - Feb 28, 2008

Wind turbine

US7323792 - Jan 29, 2008

Wind sail receptor

US7309213 - Dec 18, 2007

Omni directional baffled wind energy power converter apparatus and method

US7287954 - Oct 30, 2007

Vawt cluster and individual supporting arrangements

US20070212225 - Sep 13, 2007

Vertical axis wind turbine with optimized blade profile

US20070104582 - May 10, 2007

Three bladed savonius rotor

US20070098558 - May 03, 2007

Savonius rotor blade construction particularly for a three bladed savonius rotor

US20070086895 - Apr 19, 2007

Omni directional baffled wind energy power converter apparatus and method

US20070077145 - Apr 05, 2007

Cross-flow wind turbine

US7189050 - Mar 13, 2007

Lift station and method

US7134557 - Nov 14, 2006

Windmill blade shaping and mounting to enhance performance

US20060239821 - Oct 26, 2006

Wind turbine assembly

US7112034 - Sep 26, 2006

Savonius wind turbine construction

US20060153682 - Jul 13, 2006

Four cycle wind implosion engine

US7056082 - Jun 06, 2006

Wind turbine

US7040859 - May 09, 2006

Modified savonius rotor

US7008171 - Mar 07, 2006

Wind dam electric generator and method

US6984899 - Jan 10, 2006

Wind turbine having airfoils for blocking and directing wind and rotors with or without a central gap

US6966747 - Nov 22, 2005

Horizontal wind generator

US6948905 - Sep 27, 2005

Dynamic sand drift barrier

US6890367 - May 10, 2005

Wind turbine with vertical axis

US20050025624 - Feb 03, 2005

Vertical axis windmill

US20040156723 - Aug 12, 2004

Dynamo

US20040047732 - Mar 11, 2004

All weather wind turbines

US20040042899 - Mar 04, 2004

Henke wheel

US20020141865 - Oct 03, 2002

Helical wind rotor and a method for manufacturing the same

US6428275 - Aug 06, 2002

Cavity turbine

US6368063 - Apr 09, 2002

Cavity vertical turbine

US6345957 - Feb 12, 2002

Cavity turbine

US20020006334 - Jan 17, 2002

Modified savonius rotor

US6283711 - Sep 04, 2001

Vertical axis wind turbine rotor having self-fairing vanes

US6283710 - Sep 04, 2001

Fan with low noise, high air flow and high wind pressure

US6238185 - May 29, 2001

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Generator and method (2)

Lift-station-method - lift station and method (2)

Fan - air flow (2)

Wind sail (2)